<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1>登录成功   <a href="/logout">Logout</a></h1>
    <h2>CRUD(creat,retrieve,update,delete)</h2>
    <ul>
        <li><a href="/doCreate">creat(添加-Insert)</a></li>
        <li><a href="/doRetrieve">retrieve(查询-Select)</a></li>
        <li><a href="/doUpdate">update(更新-Update)</a></li>
        <li><a href="/doDelete">Delete(删除-delete)</a></li>
    </ul>
</body>
</html>